Wireshark-bugs: [Wireshark-bugs] [Bug 4663] show CD Bit for DNS request and response
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 12 Apr 2010 08:55:11 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4663

--- Comment #2 from Ivan Sy <ivan_jr@xxxxxxxxx> 2010-04-12 08:55:09 PDT ---
Almost the same, except that this short patch does:

- shows the CD bit in both request and response. see section 3.2.2 of RFC 4035
which obsoletes rfc 2535 making bug#2472 comment#1 not up-to-date. 

- This patch becomes useful when doing DNSSEC. i.e. stub resolvers wants DNSSEC
but will not want DNSSEC-aware validating resolvers to validate the answer,
just give the relevant DNSSEC signatures for the response.

example:
dig isc.org +dnssec +tcp +cdflag

- shows the bit after z flags for requests and after AD bit for response. In
relation to its order in the packet. (although regardless of its order, it will
show the correct value) this is more for the sake of technicality.

- improved tfs. The text will now show
Non-authenticated data: Unacceptable
Non-authenticated data: Acceptable

thanks!

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